A set of SPARQL examples that are used in different SIB resources
How many reactions involve CHEBI:17815 (a 1,2-diacyl-sn-glycerol) or one of its descendant?
PREFIX CHEBI: <http://purl.obolibrary.org/obo/CHEBI_>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX rh:<http://rdf.rhea-db.org/>
SELECT
(count(distinct ?reaction) as ?countReaction)
WHERE {
?reaction rdfs:subClassOf rh:Reaction ;
rh:status rh:Approved ;
rh:side ?reactionSide .
?reactionSide rh:contains ?participant .
?participant rh:compound ?compound .
?compound rh:chebi ?chebi .
?chebi rdfs:subClassOf* CHEBI:17815 .
}
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v5("?chebi")
v4("?compound")
v6("?countReaction")
v3("?participant")
v1("?reaction"):::projected
v2("?reactionSide")
c9(["CHEBI:17815"]):::iri
c4(["rh:Approved"]):::iri
c2(["rh:Reaction"]):::iri
v1 --"rdfs:subClassOf"--> c2
v1 --"rh:status"--> c4
v1 --"rh:side"--> v2
v2 --"rh:contains"--> v3
v3 --"rh:compound"--> v4
v4 --"rh:chebi"--> v5
v5 --"rdfs:subClassOf"--> c9
bind1[/"count(?reaction)"/]
v1 --o bind1
bind1 --as--o v6